1956] 
Adams — Myrmeleontidae 
91 
coxa pale with small basal fuscous spot; mid and hind coxae 
infuscate laterally; femora pale, very faintly dotted at base 
of some setae, apical shiny black bands; tibiae dotted with 
dark, bearing postbasal and apical black bands. Tarsi pale, 
5th tarsomere narrowly dark-tipped. Fore spurs equal three 
tarsomeres, hind spurs two ; setae mostly black, many white 
on femora. 
First abdominal tergite pale with small dark preapical 
dot ; second with pale basal band and apical dot ; third-sev- 
enth dark-fuscous, a large pale spot each side, broadly con- 
nected medially, apical segments pale. First sternite with a 
black spot each side, second, third and base of fourth pale, 
apex of fourth, fifth, sixth and seventh fuscous. 
Wings : venation as in Figure 17. Base of wing pale, vena- 
tion largely pale, many cross veins dark wholly or at ends; 
longitudinal veins interrupted with dark at intersections of 
many cross veins ; dark spots as indicated on figure. 
Measurements (mm.) : body length 21 ; abdomen 15 ; head 
and thorax 6.3; pterothorax 4.0; third abdominal tergite 
3.4; antenna 6.8; fore wing 25.5 long, 6.6 wide; hind wing 
24.0 long 5.5 wide; third segment, labial palpus 0.48 long, 
0.12 wide. 
Holotype $ : Riverside, California, August 31, 1939, Paul 
De Bock (UCR) : Deposited in the California Academy of 
Sciences. 
Eremoleon nigribasis Banks 
Figures 24, 27 
Eremoleon nigribasis Banks, 1920, Bull. Mus. Comp. Zool. 
64:329; 1928, ibid. 68:71; Proc. Calif. Acad. Sci., 4th 
Ser. 24:143 
Eremoleon affine Banks, 1942, Proc. Calif. Acad. Sci., 4th 
Ser. 24:144, new synonymy 
Utah, New Mexico, Arizona, Baja California. 
The type of E. affine Banks, as well as the paratypes 
from 5 mi. S. of San Miguel and Venancio, Baja Calif., are 
pale individuals of this species in which the black mark on 
the wing base is indistinct or absent. 
